Description
Integer wraparound in IVFFlat index build in pgvector before 0.8.6 allows a database user to write data out-of-bounds, which could lead to arbitrary code execution. Only 32-bit systems are affected.
Affected products
pgvector_project: pgvector
References2
- github.com/pgvector/pgvector/issues/1006 Issue TrackingVendor Advisory
- github.com/pgvector/pgvector/commit/636a92a3395d2e036ffd40d07ae… Patch
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 49 · as of 13 November 2026
- CWE
- CWE-190CWE-787
Could this be exploited in your environment?
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